Aro heads to the city on a business trip. There is a sadness between all the faces and cityscapes that she meets and passes through. Where does this sadness come from? As she delves deeper into the city, we come closer and closer to the heart of her sadness.
| Actor | Role |
|---|---|
 Park Ji-hyeonAro | Aro |
| GGoh-WooPeter Choi | Peter Choi |
| JJaeyiConstruction Manager | Construction Manager |
| GGo GyeulDream Doctor Go Gyeul | Dream Doctor Go Gyeul |
| JJung Su-minJung Soo-min | Jung Soo-min |
| HHeo YoonPark Myunggyoo | Park Myunggyoo |